15323923932853 has 2 divisors, whose sum is σ = 15323923932854. Its totient is φ = 15323923932852.

The previous prime is 15323923932803. The next prime is 15323923932857. The reversal of 15323923932853 is 35823932932351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12616263555844 + 2707660377009 = 3551938^2 + 1645497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15323923932853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15323923932857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7661961966426 + 7661961966427.

It is an arithmetic number, because the mean of its divisors is an integer number (7661961966427).

Almost surely, 2^{15323923932853} is an apocalyptic number.

It is an amenable number.

15323923932853 is a deficient number, since it is larger than the sum of its proper divisors (1).

15323923932853 is an equidigital number, since it uses as much as digits as its factorization.

15323923932853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31492800, while the sum is 58.

The spelling of 15323923932853 in words is "fifteen trillion, three hundred twenty-three billion, nine hundred twenty-three million, nine hundred thirty-two thousand, eight hundred fifty-three".